Fan Casting Chase in Adam McKay's Dispatch

A speedster, former member of the Brave Brigade, old friend of Robert's father, and Robert's dispatching mentor who recommends him for the job. Due to his powers causing him to age 50 times faster than normal while in use, leading him to appear 80-years-old at 39, he is forced to retire and work at SDN as part of their hero records database and a dispatcher.